/Engine/Source/Runtime/Engine/Classes/Engine/Engine.h
Attempts to gracefully handle a failure to travel to the default map.
virtual void HandleBrowseToDefaultMapFailure ( [FWorldContext](API\Runtime\Engine\Engine\FWorldContext) & Context, const [FString](API\Runtime\Core\Containers\FString) & TextURL, const [FString](API\Runtime\Core\Containers\FString) & Error )